37 public questions tagged with this topic.
A grazing food chain starts with living producers like grass or algae and is consumed by herbivores and carnivores. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Plant Kingdom, Topic: Classification and salient features of plant groups.
Biological magnification leads to an increased concentration of toxins in organisms at higher trophic levels, affecting top predators.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem Services and Functions
Toxins increase in concentration as they move up the food chain, a process known as biomagnification.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem Services and Functions
The second law of thermodynamics states that energy is lost as heat at each trophic level, making energy transfer inefficient.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem Services and Functions
Primary consumers (herbivores) feed on producers (plants) and occupy the second trophic level.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem Services and Functions
Herbivores are primary consumers that feed on producers and occupy the second trophic level.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Ecosystem Services and Functions
Food webs include decomposers, which play a crucial role in nutrient cycling and ecosystem balance.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
Food webs include decomposers, which play a crucial role in nutrient cycling and maintaining ecosystem balance.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
A frog is a secondary consumer because it feeds on insects, which are primary consumers.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Nutrient Cycling - Carbon Phosphorus and Ecological Succession
In a forest ecosystem, the detritus food chain is more dominant because a large amount of energy flows through decomposers.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Energy Flow - Food Chains Food Webs Trophic Levels
The detritus food chain starts with dead organic matter, which is broken down by decomposers before passing energy to consumers.
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Energy Flow - Food Chains Food Webs Trophic Levels
A grazing food chain begins with producers (plants) and moves up to herbivores (goat) and then to carnivores (man).
Ref: NCERT Class 12 Biology Chapter 12: Ecosystem Energy Flow - Food Chains Food Webs Trophic Levels
